Science ( flowers, food cycles, key word)

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Across
  1. 3. a series of organisms each dependant on the next
  2. 4. a space filled with liquid. It is only found in plant cells
  3. 6. a tough wall around plant cells. It supports the cell
  4. 7. a natural biological unit made up of both living and no-living parts and is made up of habitats
  5. 8. a protective casing around the bud
  6. 9. the breaking down and digestion of the biological material by composers
  7. 13. when a species becomes more Fited to its environment
  8. 15. packets of green colour which helps the plant make food
  9. 16. this controlls everything that happens inside the cell
  10. 17. when two or more organisms depend on each other for survival
  11. 18. human activities can affect and unbalance the flows and the cycles of the ecosystems
  12. 19. this surrounds the cell. It lets things move in and out of the cell
Down
  1. 1. female parts of a flower including the stigma, style, ovary and ovum
  2. 2. An ocurance between members of the same species
  3. 5. a liquid where chemical changes happen
  4. 8. it gets water to the plants
  5. 10. when the prey species increases the predators will eat so many of the prey that they increase and so does the prey
  6. 11. this attracts bees and other insects
  7. 12. a system of interlocking and interdependent food chains
  8. 14. male parts of a flower including the anther and filament